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Is it only the diamonds have TRIGONS? If not, what are the other minerals which also has these?

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asked Jan 9, 2018 by emon (140 points)

1 Answer

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I cannot affirm that only diamonds have them but the only reference to trigons in the rock world I could find was diamonds. For those those who do not  those who do not know know, the trigon is a triangular shape to the diamond crystal
answered Jan 10, 2018 by Weasel (58,930 points)